CN220040042U - Three-channel fatigue test tool for rubber bushing - Google Patents
Three-channel fatigue test tool for rubber bushing Download PDFInfo
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- CN220040042U CN220040042U CN202321279164.3U CN202321279164U CN220040042U CN 220040042 U CN220040042 U CN 220040042U CN 202321279164 U CN202321279164 U CN 202321279164U CN 220040042 U CN220040042 U CN 220040042U
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 30
- 238000012360 testing method Methods 0.000 claims abstract description 32
- 238000006073 displacement reaction Methods 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 7
- 239000000725 suspension Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000009662 stress testing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a three-way fatigue test tool for a rubber bushing, which belongs to the technical field of endurance tests of rubber bushings and comprises a cylinder sleeve and two fixed discs positioned on two axial sides of the cylinder sleeve, wherein the bushing to be tested is arranged in the cylinder sleeve, an inner core of the bushing to be tested is connected with at least one fixed disc, the cylinder sleeve is connected with a linear booster cylinder through a first force value connecting rod, the first force value connecting rod is arranged along the radial direction of the bushing to be tested, the fixed disc is connected with a connecting shaft, the connecting shaft is connected with a second force value connecting rod through a torsion component, the second force value connecting rod is connected with the linear booster cylinder, and the force of the second force value connecting rod in the linear direction is converted into torsion force through the torsion component and is applied to the connecting shaft. A set of test fixture is designed to load radial force value on the rubber bushing, the axial torsion is used for verifying the fatigue service life of the rubber bushing, the test is realized by building the linear auxiliary cylinder, and the test cost is reduced.
Description
Technical Field
The utility model relates to the technical field of endurance tests of rubber bushings, in particular to a three-channel fatigue test tool for a rubber bushing.
Background
The fatigue test tool is equipment for performing fatigue test on materials or parts. It is typically comprised of one or more loading mechanisms, measurement systems, control systems, and auxiliary devices (e.g., clamps, sensors, etc.). The method has the main function of repeatedly loading materials or parts for a long time to simulate the fatigue conditions possibly encountered in actual use, thereby evaluating the fatigue performance of the materials or parts. The fatigue test tool for the rubber bushing is designed for the rubber bushing as the name implies.
Related prior art such as "an automobile suspension fatigue testing machine" in chinese patent application, application number: CN201820266788.4; disclosed is a method comprising: the connecting component is connected with the rubber bushing of the automobile suspension; the first loading mechanism comprises a first loading rod and a first driving mechanism, the first loading rod is connected with the connecting assembly, and the first loading rod is collinear with the axis of the rubber bushing; the second loading mechanism comprises a second loading rod and a second driving mechanism, the second loading rod is connected with the connecting assembly, and the second loading rod is perpendicular to the first loading rod; the third loading mechanism comprises a third loading rod and a third driving mechanism for driving the third loading rod to linearly reciprocate, the third loading rod is connected with the connecting assembly, and the third loading rod is perpendicular to the plane where the first loading rod and the second loading rod are located; and the fixed table is fixedly connected with the automobile suspension. The automobile suspension fatigue testing machine provided by the utility model is used for carrying out fatigue test on an automobile suspension assembly, and the reliability of the test result is good.
For another example, chinese patent application "a bushing torsional fatigue test fixture", application number: CN201821688494.7; the device comprises an actuator, a switching disc, a torsion block, a first torsion shaft, a second torsion shaft, an upper pressing block, a lower pressing block and a floor; according to the utility model, the first torsion shaft and the second torsion shaft penetrate through the axle center of the bushing serving as a test piece and then are connected with the torsion block, the switching disc and the driving shaft of the actuator, and then the upper pressing block and the lower pressing block are used for fixing the shell of the bushing, so that the alignment connection of the axle center of the bushing is realized, the shell is fixed, the force is loaded on the axle center, the concentricity is higher, the problem of lateral force caused by an included angle due to the force loading on the shell after the axle center is fixed is avoided, and the accuracy of a test result is improved; the embedded type combined structure is adopted for connection, the oval C-shaped groove is utilized for clamping, the adaptation to other tools and test pieces with different sizes can be realized, the universality and the utilization rate are higher, the test cost is low, and the structure is simple.
For rubber bushings, the need to verify fatigue life involves radial force stress testing, axial torsion stress testing. In the prior art, two sets of test tools are mostly adopted for completion, which is time-consuming and labor-consuming. In addition, when axial torsion stress is tested, a rotating motor type power piece is adopted, and in order to ensure the test effect, the rotating precision of the rotating motor is required to be high, so that the manufacturing cost of the test tool is high.
The three-channel fatigue test fixture for the rubber bushing is a set of test fixture for verifying the fatigue service life of the rubber bushing by loading radial force values, axial torsion and radial cone pendulum on the rubber bushing. During the fatigue test of the rubber bushing, the radial force value, the axial torsion and the radial cone pendulum of the rubber bushing are required to be loaded simultaneously, but the current test equipment capable of realizing the conditional loading is very few, and the equipment price is very high. The test fixture can be used for realizing the test conditions through the bench construction of the three linear auxiliary cylinders, so that the requirement on test equipment is reduced, the universality is strong, and the test cost can be greatly reduced.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a three-channel fatigue test tool for a rubber bushing, which is used for designing a set of test tool to load radial force values and axially twist the rubber bushing to verify the fatigue service life of the rubber bushing, realizing the test by constructing a linear booster cylinder and reducing the test cost.
The utility model adopts the technical scheme that: the utility model provides a three-channel fatigue test fixture for rubber bushing, includes the cylinder liner and is located two fixed disks of cylinder liner axial both sides, treats that the test bushing installs in the cylinder liner, treats that the inner core of test bushing is connected with at least one fixed disk wherein, the cylinder liner be connected with sharp helping hand jar through first force value connecting rod, first force value connecting rod along treating the radial setting of test bushing, fixed disk be connected with the connecting axle, the connecting axle passes through torsion assembly and connects second force value connecting rod, second force value connecting rod is connected with sharp helping hand jar, second force value connecting rod output straight line direction's force through torsion assembly turn into torsion and apply to the connecting axle.
Compared with the prior art, the utility model has the advantages that the installation of the bushing to be tested is realized by arranging the cylinder sleeve and the two fixing plates positioned at the two axial sides of the cylinder sleeve, the inner core of the bushing is connected with the fixing plates, and the bushing after the installation is stable and reliable. And secondly, connecting a first force connecting rod on the cylinder sleeve, wherein the first force connecting rod is connected with the linear auxiliary cylinder. When the linear booster cylinder works, the force is applied to the cylinder sleeve through the first force connecting rod, the first force connecting rod is arranged along the radial direction of the bushing to be tested, namely, the radial force is applied to the bushing to be tested along the radial direction of the cylinder sleeve, and then the bushing to be tested is subjected to the radial force applied to the bushing to be tested by the cylinder sleeve, so that the fatigue service life of the rubber bushing is verified. And the fixed disc is connected with the connecting shaft, the connecting shaft is connected with a second force value connecting rod through the torsion assembly, and the second force value connecting rod is connected with the linear auxiliary cylinder. The torsion component is additionally arranged, the second force value connecting rod is connected with the linear auxiliary cylinder, and the output force along the linear direction is converted into torsion force through the torsion component and is applied to the connecting shaft. The axial torsion is applied to the bushing to be tested to verify the fatigue service life of the rubber bushing.
According to the utility model, the fatigue test structure for loading radial force value and axial torsion on the rubber bushing is designed in a set of test tool, so that the fatigue test steps are effectively reduced. In addition, the utility model is built by the linear auxiliary cylinder, and structures such as a rotating motor and the like are not arranged, so that the test cost is effectively reduced.
In some embodiments of the present utility model, the present utility model further comprises two bearing blocks, the connecting shaft is penetrated by the bearing blocks, one end of the connecting shaft is connected with the fixed disk, and the other end of at least one connecting shaft is connected with the torsion assembly.
In the utility model, in order to adapt to different bushing structures, two ends of the cylinder sleeve are respectively provided with a fixed disc for realizing the installation of the bushing. The fixed disk is connected with a connecting shaft penetrating out of the bearing seat. The bearing seat is arranged, so that the torsion friction component of the connecting shaft is small, and the torsion of the connecting shaft is smooth.
In some embodiments of the present utility model, the torsion assembly includes a connection disc and a connection bar, the connection disc is connected with the connection shaft, the connection disc is coaxially disposed with the connection shaft, one end of the connection bar passes through the axis of the connection disc to be connected with the connection disc, the other end of the connection bar extends out of the connection disc, the second force value connecting rod is movably connected with the other end of the connection bar through a ball head, and the second force value connecting rod is disposed perpendicular to the connection bar.
In the present utility model, the connection pad is coaxial with the connection shaft, and the connection bar passes through the axial center of the connection pad, and then the connection bar is disposed along the radial direction of the connection shaft. The connecting rods with the second force values are perpendicular to the connecting strips, so that the connecting strips can push the connecting shafts to twist along the tangential direction of the connecting shafts when being subjected to force. The force applied by the linear auxiliary cylinder to the second force value connecting rod is in the same direction with the length direction of the second force value connecting rod.
The angular condition of the axial torsion can be converted into displacement through a conversion formula among the angle, the loading radius and the displacement, and then the loading is carried out through the displacement control of the linear auxiliary cylinder.
In some embodiments of the present utility model, the cylinder sleeve has a rectangular frame structure with an outer surface, and the upper end and the lower end of the cylinder sleeve are both connected with a first force connecting rod through a ball head, and the first force connecting rod is movably connected with the ball head.
In some embodiments of the present utility model, two first force value connecting rods are arranged in parallel, one end of each first force value connecting rod is movably connected with the ball head, the other end of each first force value connecting rod is connected with a force value fixing plate, the force value fixing plate is connected with two first force value connecting rods, the force value fixing plate is applied with force by the linear auxiliary cylinder, and the loading force applied by the linear auxiliary cylinder to the force value fixing plate is parallel to the first force value connecting rods.
In the utility model, if a single connecting rod with a first force value is adopted to apply force to the cylinder sleeve, a plurality of stress angles or deflection on stress positions are difficult to generate, and the control is difficult. According to the utility model, the two parallel first force connecting rods are adopted to apply force to the cylinder sleeve, and the force fixing plate is arranged to connect the two first force connecting rods, so that the stability is better, and the two first force connecting rods apply force simultaneously, so that the angle deviation is not easy to occur.
In some embodiments of the present utility model, a side of the cylinder liner is connected to a linear auxiliary cylinder through a conical pendulum switching assembly, the linear auxiliary cylinder applies force to the conical pendulum switching assembly, and the conical pendulum switching assembly converts the force applied to the cylinder liner into a force for swinging the cylinder liner.
In some embodiments of the present utility model, the conical pendulum switching assembly includes a first switching plate, a second switching plate and a conical pendulum connecting rod, where the first switching plate and the second switching plate are in a rectangular frame structure, and the first switching plate and the second switching plate are connected by two conical pendulum connecting rods that are parallel to each other.
In some embodiments of the present utility model, the first adapter plate is located in the same plane with the cylinder liner, and the first adapter plate is connected with one side surface of the cylinder liner. The stress of the cylinder sleeve is ensured to be at a preset position and angle.
In some embodiments of the present utility model, one end of the cone pendulum connecting rod is movably connected with the first adapter plate through a ball head, and the other end of the cone pendulum connecting rod is movably connected with the second adapter plate through a ball head; the conical pendulum connecting rod and the second adapter plate are positioned in the same plane, and the conical pendulum connecting rod is perpendicular to the first adapter plate.
In some embodiments of the present utility model, the second adapter plate is connected to a linear booster cylinder, and the loading force applied by the linear booster cylinder to the second adapter plate is parallel to the pendulum connecting rod.
The conical pendulum switching assembly converts the linear force output by the linear auxiliary cylinder into force for driving the bushing to be tested to swing. In the utility model, the ball head is a universal piece in the mechanical field, and movable connection capable of rotating around the shaft is realized through ball head connection.
The above embodiments may be arbitrarily combined on the basis of common knowledge in the art.
Drawings
The utility model will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the utility model. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
FIG. 2 is a schematic diagram of a second embodiment of the present utility model;
fig. 3 is a top view of the present utility model.
Wherein, the reference numerals specifically explain as follows: 1. cylinder sleeve; 2. a fixed plate; 3. a first force value connecting rod; 4. a connecting shaft; 5. a second force value connecting rod; 6. a bearing seat; 7. a connecting disc; 8. a connecting strip; 9. a force value fixing plate; 10. ball head; 11. a first transfer; 12. a second adapter plate; 13. and (5) a conical pendulum connecting rod.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
A three-channel fatigue test tool for a rubber bushing is shown in the embodiment shown in fig. 1 to 2: the novel high-strength steel bushing comprises a cylinder sleeve 1 and two fixing plates 2 positioned on two axial sides of the cylinder sleeve 1, wherein a bushing to be tested is installed in the cylinder sleeve 1, an inner core of the bushing to be tested is connected with at least one fixing plate 2, the inner cylinder sleeve 1 is connected with the periphery of the bushing, the inner core of the bushing is connected with the fixing plates 2, and the installed bushing is stable and reliable. The cylinder sleeve 1 is connected with the linear auxiliary cylinder through the first force connecting rod 3, the first force connecting rod 3 is arranged along the radial direction of the bushing to be tested, and then the bushing to be tested is subjected to the radial force applied to the bushing to be tested by the cylinder sleeve 1, so that the fatigue service life of the rubber bushing is verified. The fixed disk 2 is connected with the connecting shaft 4, the connecting shaft 4 is connected with the second force value connecting rod 5 through the torsion component, the second force value connecting rod 5 is connected with the linear auxiliary cylinder, and the force of the second force value connecting rod 5 in the linear direction is converted into torsion force through the torsion component and is applied to the connecting shaft 4. The axial torsion is applied to the bushing to be tested to verify the fatigue service life of the rubber bushing.
According to the utility model, the fatigue test structure for loading radial force value and axial torsion on the rubber bushing is designed in a set of test tool, so that the fatigue test steps are effectively reduced. In addition, the utility model is built by the linear auxiliary cylinder, and structures such as a rotating motor and the like are not arranged, so that the test cost is effectively reduced.
In the second embodiment, as shown in fig. 1 to 3, the present utility model further includes two bearing seats 6, the connecting shaft 4 passes through the bearing seats 6, one end of the connecting shaft 4 is connected with the fixed disc 2, and the other end of at least one connecting shaft 4 is connected with the torsion assembly. In the utility model, in order to adapt to different bushing structures, two ends of the cylinder sleeve 1 are respectively provided with a fixed disc 2 for realizing the installation of the bushing. The fixed disk 2 is connected with a connecting shaft 4 penetrating from a bearing seat 6. The bearing seat 6 is arranged so that the torsion friction component of the connecting shaft 4 is small, and the torsion of the connecting shaft 4 is smooth.
The torsion assembly comprises a connecting disc 7 and a connecting strip 8, wherein the connecting disc 7 is connected with the connecting shaft 4, the connecting disc 7 and the connecting shaft 4 are coaxially arranged, one end of the connecting strip 8 penetrates through the axis of the connecting disc 7 to be connected with the connecting disc 7, the other end of the connecting strip 8 extends out of the connecting disc 7, a second force value connecting rod 5 is movably connected with the other end of the connecting strip 8 through a ball head 10, and the second force value connecting rod 5 is perpendicular to the connecting strip 8.
In the present utility model, the connection pad 7 is coaxial with the connection shaft 4, and the connection bar 8 passes through the axial center of the connection pad 7, the connection bar 8 is disposed along the radial direction of the connection shaft 4. The two second force connecting rods 5 are perpendicular to the connecting strips 8, so that the connecting strips 8 can push the connecting shafts 4 to twist along the tangential direction of the connecting shafts 4 when being subjected to force. The force applied by the linear assist cylinder to the second force value connecting rod 5 is in the same direction as the length direction of the second force value connecting rod 5.
The angular condition of the axial torsion can be converted into displacement through a conversion formula among the angle, the loading radius and the displacement, and then the loading is carried out through the displacement control of the linear auxiliary cylinder.
The cylinder sleeve 1 is of a frame structure with a rectangular outer surface, the upper end and the lower end of the cylinder sleeve 1 are connected with a first force connecting rod 3 through a ball head 10, and the first force connecting rod 3 is movably connected with the ball head 10.
The two first force value connecting rods 3 are arranged in parallel, one end of each first force value connecting rod 3 is movably connected with the ball head 10, the other end of each first force value connecting rod 3 is connected with the corresponding force value fixing plate 9, the force value fixing plates 9 are connected with the two first force value connecting rods 3, the force value fixing plates 9 are forced by the linear auxiliary cylinders, and the loading force applied by the linear auxiliary cylinders to the force value fixing plates 9 is parallel to the first force value connecting rods 3.
In the utility model, if a single first force value connecting rod 3 is adopted to apply force to the cylinder sleeve 1, a certain force bearing angle or deflection on the force bearing position is difficult to avoid, and the control is difficult. According to the utility model, the two parallel first force connecting rods 3 are adopted to apply force to the cylinder sleeve 1, and the force fixing plate 9 is arranged to connect the two first force connecting rods 3, so that the stability is better, and the two first force connecting rods 3 apply force simultaneously, so that the angle deviation is not easy to occur.
The other contents of the second embodiment are the same as those of the first embodiment.
In the third embodiment, as shown in fig. 1 to 3, a side surface of the cylinder liner 1 is connected with a linear auxiliary cylinder through a conical pendulum switching assembly, the linear auxiliary cylinder applies force to the conical pendulum switching assembly, and the conical pendulum switching assembly converts the force applied to the cylinder liner 1 into a swinging force.
The conical pendulum switching assembly comprises a first switching 11 plate, a second switching plate 12 and a conical pendulum connecting rod 13, wherein the first switching 11 plate and the second switching plate 12 are of rectangular frame structures, and the first switching 11 plate and the second switching plate 12 are connected through the two conical pendulum connecting rods 13 which are arranged in parallel. The first switching 11 plate and the cylinder sleeve 1 are positioned in the same plane, and the first switching 11 plate is connected with one side surface of the cylinder sleeve 1. Ensuring that the stress of the cylinder liner 1 is at a preset position and angle.
One end of the conical pendulum connecting rod 13 is movably connected with the first adapter plate 11 through a ball head 10, and the other end of the conical pendulum connecting rod 13 is movably connected with the second adapter plate 12 through the ball head 10; the pendulum connecting rod 13 and the second adapter plate 12 are positioned in the same plane, and the pendulum connecting rod 13 is perpendicular to the first adapter plate 11. The second adapter plate 12 is connected with a linear auxiliary cylinder, and the loading force applied by the linear auxiliary cylinder to the second adapter plate 12 is parallel to the conical pendulum connecting rod 13.
The conical pendulum switching assembly converts the linear force output by the linear auxiliary cylinder into force for driving the bushing to be tested to swing. The swinging angle condition can be converted into displacement through a conversion formula among the angle, the loading radius and the displacement, and then loading is carried out through linear auxiliary cylinder displacement control. In the utility model, the ball head 10 is a universal piece in the mechanical field, and movable connection capable of rotating around the shaft is realized through the connection of the ball head 10.
The other contents of the third embodiment are the same as those of the first or second embodiments.
The foregoing has outlined rather broadly the more detailed description of the utility model in order that the detailed description of the utility model that follows may be better understood, and in order that the present utility model may be better understood. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (10)
1. The utility model provides a three-channel fatigue test fixture for rubber bushing, its characterized in that includes cylinder liner (1) and is located two fixed disks (2) of cylinder liner (1) axial both sides, treats test bushing and installs in cylinder liner (1), treats the inner core of test bushing and is connected with at least one fixed disk (2) wherein, cylinder liner (1) be connected with sharp helping hand jar through first force value connecting rod (3), first force value connecting rod (3) radially set up along treating test bushing, fixed disk (2) be connected with connecting axle (4), connecting axle (4) are connected second force value connecting rod (5) through torsion assembly, second force value connecting rod (5) are connected with sharp helping hand jar, second force value connecting rod (5) output sharp direction's power through torsion assembly turn into torsional force and apply to connecting axle (4).
2. The three-channel fatigue test fixture for the rubber bushing according to claim 1, further comprising two bearing seats (6), wherein the connecting shaft (4) passes through the bearing seats (6), one end of the connecting shaft (4) is connected with the fixed disc (2), and the other end of at least one connecting shaft (4) is connected with the torsion assembly.
3. The three-channel fatigue test tool for the rubber bushing according to claim 2, wherein the torsion assembly comprises a connecting disc (7) and a connecting strip (8), the connecting disc (7) is connected with the connecting shaft (4), the connecting disc (7) is coaxially arranged with the connecting shaft (4), one end of the connecting strip (8) penetrates through the axis of the connecting disc (7) to be connected with the connecting disc (7), the other end of the connecting strip (8) extends out of the connecting disc (7), the second force value connecting rod (5) is movably connected with the other end of the connecting strip (8) through a ball head (10), and the second force value connecting rod (5) is perpendicular to the connecting strip (8).
4. The three-way fatigue test tool for the rubber bushing is characterized in that the cylinder sleeve (1) is of a frame structure with a rectangular outer surface, the upper end and the lower end of the cylinder sleeve (1) are connected with a first force connecting rod (3) through a ball head (10), and the first force connecting rod (3) is movably connected with the ball head (10).
5. The three-way fatigue test tooling for the rubber bushing is characterized in that two first force value connecting rods (3) are arranged in parallel, one end of each first force value connecting rod (3) is movably connected with a ball head (10), the other end of each first force value connecting rod (3) is connected with a force value fixing plate (9), the force value fixing plates (9) are connected with the two first force value connecting rods (3), a linear auxiliary cylinder applies force to the force value fixing plates (9), and the loading force applied by the linear auxiliary cylinder to the force value fixing plates (9) is parallel to the first force value connecting rods (3).
6. The three-channel fatigue test tool for the rubber bushing is characterized in that a side surface of the cylinder sleeve (1) is connected with a linear auxiliary cylinder through a conical pendulum switching assembly, the linear auxiliary cylinder applies force to the conical pendulum switching assembly, and the conical pendulum switching assembly converts the received force into the force for swinging the cylinder sleeve (1).
7. The three-channel fatigue test fixture for the rubber bushing is characterized in that the taper pendulum switching assembly comprises a first switching (11) plate, a second switching plate (12) and a taper pendulum connecting rod (13), wherein the first switching (11) plate and the second switching plate (12) are of rectangular frame structures, and the first switching (11) plate is connected with the second switching plate (12) through two taper pendulum connecting rods (13) which are arranged in parallel.
8. The three-channel fatigue test tool for the rubber bushing of claim 7, wherein the first adapter (11) plate and the cylinder sleeve (1) are positioned in the same plane, and the first adapter (11) plate is connected with one side surface of the cylinder sleeve (1).
9. The three-way fatigue test fixture for the rubber bushing is characterized in that one end of the conical pendulum connecting rod (13) is movably connected with the first adapter plate (11) through a ball head (10), and the other end of the conical pendulum connecting rod (13) is movably connected with the second adapter plate (12) through the ball head (10); the conical pendulum connecting rod (13) and the second adapter plate (12) are positioned in the same plane, and the conical pendulum connecting rod (13) is perpendicular to the first adapter plate (11).
10. The three-channel fatigue test fixture for the rubber bushing according to claim 7, wherein the second adapter plate (12) is connected with a linear auxiliary cylinder, and the loading force applied by the linear auxiliary cylinder to the second adapter plate (12) is parallel to the conical pendulum connecting rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321279164.3U CN220040042U (en) | 2023-05-23 | 2023-05-23 | Three-channel fatigue test tool for rubber bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321279164.3U CN220040042U (en) | 2023-05-23 | 2023-05-23 | Three-channel fatigue test tool for rubber bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220040042U true CN220040042U (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321279164.3U Active CN220040042U (en) | 2023-05-23 | 2023-05-23 | Three-channel fatigue test tool for rubber bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220040042U (en) |
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2023
- 2023-05-23 CN CN202321279164.3U patent/CN220040042U/en active Active
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